[Rock-dev] REST interface not working ?

[Martin Schroeer]

Hi Steffen.

Finally have had the opportunity to test - and it works the way you 
described it.
Thanks a lot for solving that riddle for me !

Am 20.08.2015 um 13:09 schrieb Steffen Planthaber:
> Hi,
>
> It seems like the curl parser is now checking the content before 
> sending. Actually the syntax to send data is a tiny bit different from 
> what /sample gives you, the "value" needs to be without "" and 
> followed yb =, this was done to be able to switch to a GET action for 
> commands.
>
> Sadly this is NOT a valis JSON format (JSON starts after "value=") and 
> curl denies sending it. Leaving out the content type paramater and 
> using "value=" will lead to the expected results.
>
> curl -X POST -d 'value={"translation":0,"rotation":1}' 
> http://localhost:9292/api/tasks/tasks/localhost/simple_controller/ports/motion_command/write
>
> There is a (VERY basic) implementation for using the restAPI from cpp 
> here:
> https://github.com/planthaber/control-webapp/
>
> A better one is under development.
>
> Best, Steffen
>
>
>
>
> Am 20.08.2015 um 09:28 schrieb Martin Schröer:
>> No, that didn't do the trick unfortunately.
>>
>> [Had tested it already, sorry for not mentioning.]
>>
>>> Steffen Planthaber <Steffen.Planthaber at dfki.de> hat am 19. August 2015
>>> um 16:23 geschrieben:
>>>
>>>
>>> Hi,
>>>
>>> Could be the parser has trouble with the e notation.
>>>
>>> Please try:
>>>
>>> # curl -X POST -H "Content-Type: application/json" -d
>>> > '{"value":{"translation":0,"rotation":0}}'
>>> >
>>> http://192.168.10.10:9292/api/tasks/tasks/localhost/skid4_control/ports/motion_command/write 
>>>
>>>
>>>
>>>
>>>
>>> Am 19.08.2015 um 15:31 schrieb Martin Schroeer:
>>> > Hi there.
>>> >
>>> > I'm trying to use the REST interface of an ASGUARD to have it moving
>>> around.
>>> > Querying the interface for a input sample
>>> >
>>> > # curl
>>> >
>>> http:/192.168.10.10:9292/api/tasks/tasks/localhost/skid4_control/ports/motion_command/sample 
>>>
>>> >
>>> > gives me
>>> >
>>> > {"value":{"translation":5.3281e-316,"rotation":6.934147e-310}}
>>> >
>>> > But if I try to write this very sample like
>>> >
>>> > # curl -X POST -H "Content-Type: application/json" -d
>>> > '{"value":{"translation":5.3281e-316,"rotation":6.934147e-310}}'
>>> >
>>> http://192.168.10.10:9292/api/tasks/tasks/localhost/skid4_control/ports/motion_command/write 
>>>
>>> >
>>> > it just gives me
>>> >
>>> > {"error":"malformed JSON string: #<Hashie::Mash
>>> > rotation=6.934147e-310 translation=5.3281e-316>"}
>>> >
>>> > What am I doing wrong here ?
>>> >
>>> >
>>> > Regards,
>>> > Martin
>>> >
>>>
>>>
>>> -- 
>>> Steffen Planthaber
>>> Weltraumrobotik
>>>
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>
>

-- 
  Dipl. Inf., Dipl. Psych. Martin Schröer
  Team Interaction

  Universität Bremen
  FB 3 - Mathematik und Informatik
  AG Robotik
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